Pending large code cleanup

alembic/versions/c4201b0ea9fe_adding_gel_image_info.py

@@ -0,0 +1,42 @@
+"""adding gel image, info
+
+Revision ID: c4201b0ea9fe
+Revises: 70d5a751f579
+Create Date: 2024-01-30 08:42:03.928933
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c4201b0ea9fe'
+down_revision = '70d5a751f579'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('_submissionsampleassociation', schema=None) as batch_op:
+        batch_op.create_unique_constraint("unique_ssa_id", ['id'])
+
+    with op.batch_alter_table('_wastewaterassociation', schema=None) as batch_op:
+        batch_op.alter_column('id',
+               existing_type=sa.INTEGER(),
+               nullable=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('_wastewaterassociation', schema=None) as batch_op:
+        batch_op.alter_column('id',
+               existing_type=sa.INTEGER(),
+               nullable=True)
+
+    with op.batch_alter_table('_submissionsampleassociation', schema=None) as batch_op:
+        batch_op.drop_constraint("unique_ssa_id", type_='unique')
+
+    # ### end Alembic commands ###